ABNT NBR 7117-1-2020
Soil parameters for electrical grounding design Part 1: resistivity surveys and geoelectric modeling

Standard No.

ABNT NBR 7117-1-2020

Release Date

2020

Published By

BR-ABNT

Latest

ABNT NBR 7117-1-2020

ABNT NBR 7117-1-2020 history

• 2020 ABNT NBR 7117-1-2020 Soil parameters for electrical grounding design Part 1: resistivity surveys and geoelectric modeling